Write an Equation for the Parabola with Vertex at the Origin

question 121

Multiple Choice

Write an equation for the parabola with vertex at the origin.
-Through $( 3 , - 6 )$ , opening downward

• A) \(x ^ { 2 } = - \frac { 3 } { 2 } y\)
• B) \(x ^ { 2 } = - \frac { 2 } { 3 }\)
• C) \(y = \frac { 2 } { 3 } x ^ { 2 }\)
• D) \(x = - \frac { 2 } { 3 } y ^ { 2 }\)